Ni64
Ni-64 is the nuclide of nickel with mass number 64. It consists of 28 protons and 36 neutrons and is one of the stable isotopes of nickel.
In nature, nickel is a mixture of stable isotopes, with Ni-64 making up about 0.9% of natural
The proton number Z=28 is a magic number in nuclear physics, contributing to the relatively high binding
Ni-64 occurs in trace amounts in the cosmos through stellar nucleosynthesis and is produced in laboratory settings
In astrophysical models, Ni-64 serves as a seed nucleus near the iron peak. Its abundance and neutron